Question: Who is the  {political party} for {member of political party} of {Fidel Castro}
Paraphrase: What political party had Fidel Castro as a member?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q11256 wdt:P102 ?obj . ?obj wdt:P31 wd:Q7278 } 
Answer: United Party of the Cuban Socialist Revolution, Party of the Cuban People – Orthodox, Integrated Revolutionary Organizations